Man, surrounded by facts, permitting himself no surprise, no intuitive flash, no great hypothesis, no risk, is in a locked cell. Ignorance cannot seal the mind and imagination more securely.

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

He knows all my thoughts. He knows all I’ve ever done and He loves me all the same. What is our purpose, you ask. It is to love like God.

I feel like you can look inside me and see all the places I am odd or unusual and fit your heart around them, for you are odd and unusual in just the same way. We are the same.

Things that are unsightly: birthmarks, infidelity, strangers in one's kitchen. Too much sunlight. Stitches. Missing teeth. Overlong guests.

There is never a crowd on the leading edge.

A career in photography is a journey without a destination.

Nobody should teach anywhere for 25 years, but I did.

Mysteries are feminine; they like to veil themselves but still want to be seen and divined.

The U.S. ranks 25th in math and 21st in science. We are woefully behind. The only way to change this situation is through public-private partnerships.

A lot of people tell me, once they get to know me, that they're surprised that I'm nothing like they think I'll be.

Everyone in this life is defeated but a man, if he be a man, is not defeated.